- With roboports and radars
- Dragon's teeth design from Knooper's video https://youtu.be/hM2YThrpq0U
- Flamethrowers and lasers layout from KatherineOfSky's book at https://bit.ly/KoSFactorioBPs
Tested on 2.0.15 + DLC, with behemoth biters and spitters, and with fire and laser research at 6. No biters got through, but repairs and wall substitutions are needed in big attacks.